• (British) IPA: /dɪˈdjuːs/, IPA: /dɪˈdʒuːs/
  • (America) IPA: /dɪˈduːs/

deduce (deduces, present participle deducing; past and past participle deduced)

  1. (transitive) To reach a conclusion by applying rules of logic to given premises.
    • 1703, Alexander Pope, Thebais
      O goddess, say, shall I deduce my rhimes / From the dire nation in its early times?
    • 1689 (indicated as 1690), [John Locke], An Essay Concerning Humane Understanding. […], London: […] Thomas Basset, […], OCLC 153628242 ↗:
      Reason […] is nothing but the faculty of deducing unknown truths from principles or propositions that are already known.
    • 1822, [Walter Scott], Peveril of the Peak. [...] In Four Volumes, volume (please specify ), Edinburgh: Printed for Archibald Constable and Co.; London: Hurst, Robinson, and Co., OCLC 2392685 ↗:
  2. (obsolete) To take away; to deduct; to subtract.
    to deduce a part from the whole
  3. (obsolete, Latinism) To lead forth.
    • He should hither deduce a colony.
Synonyms Antonyms
  • (reach a conclusion by applying rules of logic) induce
Related terms Translations

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